Bias and sensitivity in two-interval forced choice procedures: Tests of the difference model.

abstract：:We investigated whether a depth aftereffect is better explained in a surface-based organization of depth representation (Nakayama & Shimojo, 1992), where depth is represented in conjunction with surface features, rather than a coordinate-based organization, where depth is represented in conjunction with spatial positi...

journal_title：Vision research

authors： van der Kooij K,Domini F,te Pas SF

更新日期：2011-01-01 00:00:00

abstract：:The present study provides new clues about visual processes underlying the human pupillary responses evoked by achromatic spatial patterns. The pupillary responses can be modeled as a combination of two processes, a temporally transient process which saturates with increasing contrast and a temporally sustained proces...

journal_title：Vision research

authors： Young RS,Kennish J

更新日期：1993-11-01 00:00:00

abstract：:The spatial extent of interference from nearby object or contours (the critical spacing of "crowding") has been thoroughly characterized across the visual field, typically using high contrast achromatic stimuli. However, attempts to link this measure with known properties of physiological pathways have been inconclusi...

journal_title：Vision research

authors： Coates DR,Chung STL

更新日期：2016-05-01 00:00:00

abstract：:Field spectral sensitivities of the pattern-elicited electroretinogram (PERG) were obtained from two subjects using a modified version of Stiles' two-color increment threshold procedure. A 540 nm checkerboard test pattern of 38 degrees dia was alternated at 8 Hz on a uniform adapting field of the same size. Test inten...

journal_title：Vision research

authors： Wu S

更新日期：1992-11-01 00:00:00

abstract：:Previously Gysen, De Graef, and Verfaillie [Vision Research 42 (2002) 379] showed that, with stimulus displays presenting one stationary and one translating object, sensitivity for intrasaccadic displacements was higher for translating than for stationary objects. In the present paper the importance of the relative en...

journal_title：Vision research

authors： Gysen V,Verfaillie K,De Graef P

更新日期：2002-06-01 00:00:00

abstract：:Age-related macular degeneration (AMD) is characterized by a central vision loss. Here, we investigated the ability of AMD patients to process the spatial frequency content of scenes in their residual vision, depending of the luminance contrast level. AMD patients and normally-sighted elderly participants (controls) p...

journal_title：Vision research

authors： Peyrin C,Ramanoël S,Roux-Sibilon A,Chokron S,Hera R

更新日期：2017-01-01 00:00:00

abstract：:We have found evidence for ultraviolet visual capabilities in a Lake Malawi cichlid fish, Metriaclima zebra. Microspectrophotometry of single cones revealed a visual pigment with peak sensitivity at 368+/-4 nm. M. zebra also expresses a putative ultraviolet opsin gene whose sequence is closely related to the SWS-1 ops...

journal_title：Vision research

authors： Carleton KL,Hárosi FI,Kocher TD

更新日期：2000-01-01 00:00:00

abstract：:Texture information about surface shape can be decomposed into three constituents: compression, density and scaling. Blake, Bülthoff and Sheinberg's (1993, Vision Research, 33, 1723-1737) Ideal Observer theory of slant from texture predicts that the relative contribution of compression and density to the percept of pl...

journal_title：Vision research

authors： Buckley D,Frisby JP,Blake A

更新日期：1996-04-01 00:00:00

abstract：:Reaching is an important and early emerging motor skill that allows infants to interact with the physical and social world. However, few studies have considered how reaching experiences shape infants' own motor development and their perception of actions performed by others. In the current study, two groups of infants...

journal_title：Vision research

authors： Libertus K,Needham A

更新日期：2010-12-01 00:00:00

abstract：:The spatial vision of two adult galagos (Galago crassicaudatus) was assessed using a two choice discrimination task to determine their contrast sensitivity. Both contrast sensitivity functions exhibited low and high spatial frequency attenuation with the peak sensitivity at 1%. For one animal, the peak occurred at 0.5...

journal_title：Vision research

authors： Langston A,Casagrande VA,Fox R

更新日期：1986-01-01 00:00:00

abstract：:Five experiments explored short-term memory and incidental learning for random visual spatio-temporal sequences. In each experiment, human observers saw samples of 8 Hz temporally-modulated 1D or 2D contrast noise sequences whose members were either uncorrelated across an entire 1-s long stimulus sequence, or comprise...

journal_title：Vision research

authors： Gold JM,Aizenman A,Bond SM,Sekuler R

更新日期：2014-06-01 00:00:00

abstract：:In the natural world, a binocular discrepancy of luminance can signal a glossy surface. Using a spatial forced choice task, we have measured the ability of subjects to detect binocular luminance disparities. We show that the detection of binocular luminance disparity shares several basic psychophysical features with t...

journal_title：Vision research

authors： Formankiewicz MA,Mollon JD

更新日期：2009-07-01 00:00:00

abstract：:Saccade latencies are known to increase for targets presented close to fixation. Recently, it was shown that not only target eccentricity, but the size of a proximal saccade target also plays a crucial role: latencies increase rapidly with increasing target size. Interestingly, these latency increases are greater than...

journal_title：Vision research

authors： De Vries JP,Azadi R,Harwood MR

更新日期：2016-12-01 00:00:00

abstract：:We examined the performance of human observers to identify three-dimensional (3D) shape from motion induced by exploratory head movements. Subjects categorized 3D quadratic surfaces with randomly chosen shape but with a fixed amount of curvature in one of eight shape categories. Human observers had their best performa...

journal_title：Vision research

authors： van Damme WJ,van de Grind WA

更新日期：1993-07-01 00:00:00

abstract：:The main PERG component of the transient contrast reversal pattern electroretinogram (PERG) in cats was a negative wave (3.5 microV average, SD 1.7 microV) peaking at about 130 msec (N130) with a spatial resolution above 5.5 c/deg, close to behavioural estimates. The early positivity (P35) was more variable, smaller a...

journal_title：Vision research

authors： Vaegan,Arora A,Crewther SG,Millar TJ

更新日期：1990-01-01 00:00:00

abstract：:To gain new insight into the effects of monocular deprivation, we studied the visual cortex of adult cats deprived of vision in one eye. Local field potentials were recorded in response to contrast reversal of square-wave gratings modulated in time either by pseudorandom, m-sequences or periodically. We have found tha...

journal_title：Vision research

authors： Kasamatsu T,Kitano M,Sutter EE,Norcia AM

更新日期：1998-01-01 00:00:00

abstract：:Data on the simple reaction time to motion onset presented in Ball and Sekuler [Psychol. Rev. 87, 435-469 (1980)] and Tynan and Sekuler [Vision Res. 20, 709-715 (1982)] are re-analysed on the basis of local dispersion model of motion detectability. According to this model the detectability at the moment t is determine...

journal_title：Vision research

authors： Allik J,Dzhafarov EN

更新日期：1984-01-01 00:00:00

abstract：:Although color-opponent neurons appear to subserve color vision, precisely how these cells encode hue is still not clear. Single-unit, extracellular recordings from the rainbow trout optic tectum were made in order to examine the possible role of action potential timing in coding chromatic stimuli. We found that color...

journal_title：Vision research

authors： McDonald CG,Hawryshyn CW

更新日期：1999-08-01 00:00:00

abstract：:Recent work suggests that dichoptic lateral interactions occur in the region of the visual field of one eye that corresponds to the physiological blind spot in the other eye (Tripathy, S. P., & Levi, D. M. (1994). The two-dimensional shape of spatial interaction zones in the parafovea. Vision Research, 34, 1127-1138.)...

journal_title：Vision research

authors： Tripathy SP,Levi DM

更新日期：1999-06-01 00:00:00

abstract：:An observer's ability to discriminate the angular direction of a moving grating depends on the grating orientation. Observers can more accurately judge the angular direction of vertical or horizontal gratings than oblique gratings. We discovered that this oblique effect becomes very large at high spatial frequencies i...

journal_title：Vision research

authors： Coletta NJ,Segu P,Tiana CL

更新日期：1993-12-01 00:00:00

abstract：:The perceived position of a moving target at a particular point in time, indicated by a flash, is often judged to be different from its actual location. Here, we show that the position of a target moving in depth is also systematically mislocalized. We used three types of targets moving in depth at a range of speeds f...

journal_title：Vision research

authors： Harris LR,Duke PA,Kopinska A

更新日期：2006-09-01 00:00:00

abstract：:Shape representation is accomplished by a series of cortical stages in which cells in the first stage (V1) have local receptive fields tuned to contrast at a particular scale and orientation, each well modeled as a Gabor filter. In succeeding stages, the representation becomes largely invariant to Gabor coding (Kobata...

journal_title：Vision research

authors： Yue X,Biederman I,Mangini MC,Malsburg Cv,Amir O

更新日期：2012-02-15 00:00:00

abstract：:Cortical visual evoked potentials (VEPs) in response to gratings temporally modulated in counterphase were recorded in normal and dark-reared pigmented rats. Temporal modulation was either sinusoidal (0.25-15 Hz, steady state condition) or abrupt (0.5 Hz, transient condition). In normals, the amplitude spectrum of con...

journal_title：Vision research

authors： Pizzorusso T,Fagiolini M,Porciatti V,Maffei L

更新日期：1997-02-01 00:00:00

abstract：:The apparent speed of plaids made up of two gratings having the same spatial frequency and the same speed was evaluated (symmetrical type I). The plaids were moving vertically as defined by the intersection-of-constraints (IOC) rule with a mean duration of 300 msec. The comparison-stimulus was a horizontal line moving...

journal_title：Vision research

authors： Castet E,Morgan MJ

更新日期：1996-01-01 00:00:00

abstract：:The eyes are always moving even during fixation, making the retinal image move concomitantly. While these motions activate early visual stages, they are excluded from one's perception. A striking illusion reported here renders them visible: a static pattern surrounded by a synchronously flickering pattern appears to m...

journal_title：Vision research

authors： Murakami I

更新日期：2003-04-01 00:00:00

abstract：:It has been known for some time that visual acuity in amblyopia is higher for single letters than for letters in a row (termed crowding). Early work showed that this could not be accounted for on the basis of the destructive interaction of adjacent contours (termed contour interaction), which was shown to be, in resol...

journal_title：Vision research

authors： Hess RF,Dakin SC,Tewfik M,Brown B

更新日期：2001-08-01 00:00:00

abstract：:The perceived and remembered position of stationary target objects is subject to a large number of distortions. Objects are localized toward the fovea, and when an additional object (distractor) is presented, a tendency to average target and distractor position was observed. These distortions in visual short-term memo...

journal_title：Vision research

authors： Kerzel D

更新日期：2002-01-01 00:00:00

abstract：:Previous research has suggested that whereas some techniques show that subjects with a specific reading disability (SRD) have greater visible persistence than controls, a temporal integration of form technique does not. It has been suggested that the failure of the temporal integration task to show a difference result...

journal_title：Vision research

authors： Hogben JH,Rodino IS,Clark CD,Pratt C

更新日期：1995-07-01 00:00:00

abstract：:Finger pointing is a natural human behavior frequently used to draw attention to specific parts of sensory input. Since this pointing behavior is likely preceded and/or accompanied by the deployment of attention by the pointing person, we hypothesize that pointing can be used as a natural means of providing self-repor...

journal_title：Vision research

authors： Jeck DM,Qin M,Egeth H,Niebur E

更新日期：2017-06-01 00:00:00

abstract：:Face exposure during development determines adults' abilities to recognize faces and the information they use to process them. Individual differences in the face categories represented in the visual environment can lead to category-specific deficits for recognizing faces that are atypical of observer's experience (e.g...

journal_title：Vision research

authors： Balas B,Saville A

更新日期：2017-12-01 00:00:00